Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
thi nang » thi cong, ki nang, thi hanh
chat soc » cham soc, chat hoc, chat doc
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
ho nang » kha nang, cao nang
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
cua tre » cua te, cuu tre, cua triet
soc va » hoc va, loc va, doc va
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ((ho nang) or (((thi nang) or (ky nang)))) xa hoi. hieu ve chat soc va thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ((ho nang) OR (((thi nang) OR (ky nang)))) xa hoi. hieu ve chat soc va thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc sach ((ho nang) or (((thi nang) or (ky nang)))) xa hoi. hieu ve chat soc va thanh vi cua tre*.